Question73:-Which of the following is not a solution to Critical Section Problem in Process Synchronization?
A:-Mutual Exclusion
B:-Progress
C:-Hold and Wait
D:-Bounded waiting
Correct Answer:- Option-C
Question74:-Which concept in operating system where the processes spend more time in paging rather than its execution?
A:-Demand Paging
B:-Thrashing
C:-Segmentation
D:-Fragmentation
Correct Answer:- Option-B

Question75:-For multithreading a web server, which among the following factors does not determine the number of threads
needed in a thread pool?

A:-Number of CPUs
B:-Amount of Physical Memory
C:-Number of concurrent client requests
D:-Number of client requests serviced by the web server in the past
Correct Answer:- Option-D
Question76:-What is the main advantage of using C-SCAN Algorithm over SCAN Algorithm in disk scheduling?
A:-Provides more uniform wait time
B:-Easily Implemented
:-Can calculate seek time in advance
D:-No Deadlock
Correct Answer:- Option-A
Question77:-In Java, which of these keywords must be used to monitor for exceptions?
A:-throw

Correct Answer:- Option-C
Question78:-In java, if a class member is declared protected, then which type will this member become in a subclass?
A:-private member
public member
C:-protected member
D:-static member
Correct Answer:- Option-A
Question79:-Which of these method waits for the thread to terminate in Java?
A:-sleep( )
-join( )

:-isAlive( )
D:-stop()
Correct Answer:- Option-B

Question80:-Which method is called first by a Java applet program?
A:-start( )

Correct Answer:- Option-B
Question81:-Which of the following data structure is linear type?
A:-Tree

C:-Binary tree
D:-Graph
Correct Answer:- Option-B
Question82:-The number of leaf nodes in a complete binary tree of depth '6' 15
“25041:
2*(d+1)°
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